题目

One day an American called Simon went to London to visit his friend, Rick. Rick told him that his flat was on the first floor. When he arrived, Simon went straight to the first floor of the building. But he was told that there was no Rick on that floor. Do you know why?In fact, the British call the first floor of a building the ground floor. The floor above the ground floor is the first floor, which Americans would call the second floor.The story shows that there are a few culture differences between Britain and American, though the British and Americans both speak English.The British usually 分析我国某省级行政区的资料（下表），根据所学知识，判断该省级行政区的简称是 　　 。